Home / 891,820,855.40-1,337,903,556.40-339,080,306.94

Finding the Fourth Proportional to 891,820,855.40, 1,337,903,556.40 and 339,080,306.94

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Solution

The fourth proportional to 891,820,855.40, 1,337,903,556.40 and 339,080,306.94 is: 508,685,960.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,820,855.40 : 1,337,903,556.40 = 339,080,306.94 : x
  2. Step 2: Convert to fraction form
    891,820,855.40/1,337,903,556.40 = 339,080,306.94/x
  3. Step 3: Cross multiply
    891,820,855.40x = 1,337,903,556.40 × 339,080,306.94
  4. Step 4: Simplify right side
    891,820,855.40x = 453,656,748,560,229,632
  5. Step 5: Solve for x
    x = 453,656,748,560,229,632/891,820,855.40
  6. Step 6: Final answer
    x = 508,685,960.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.